Free Practice Questions for Axis Communications ANVE Exam

When replacing an analog camera with an IP camera, a video encoder is useful because it allows the integration of analog cameras into an IP-based system. The encoder converts analog video signals into digital streams that can be transmitted over an IP network, enabling the continued use of existing analog cameras while transitioning to modern IP infrastructure. Axis provides detailed information on their video encoders and their applications in various scenarios in their technical documentation and product brochures.

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PTZ (Pan-Tilt-Zoom) cameras are typically used for applications such as autotracking, active gatekeeper, and guard tour. Autotracking allows the camera to follow moving objects within its field of view automatically. Active gatekeeper enables the camera to move to a preset position when motion is detected in a specific area. Guard tour is a function that allows the camera to patrol between preset positions at scheduled intervals. These features enhance surveillance capabilities and are commonly implemented in PTZ cameras. Axis Communications' documentation on PTZ camera functionalities details these applications.

"Semi-covert IR illumination typically operates at 850 nm. This wavelength produces a faint red glow that is somewhat visible to the human eye, making it 'semi-covert.'"

— Axis Communications Academy, Network Video Fundamentals, 2022

"850 nm is considered semi-covert, while 940 nm is fully covert."

— Axis OptimizedIR Guide

“Adjusting the white balance setting can correct color inaccuracies caused by different lighting conditions, such as the orange tint seen under sodium-vapor street lamps.”

— Axis Communications Academy, Network Video Fundamentals, 2022

“White balance ensures that white objects are rendered as white in the image, improving overall color fidelity.”

— Axis White Balance Technical Guide

UDP (User Datagram Protocol) has less overhead information compared to TCP (Transmission Control Protocol). UDP is a simpler, connectionless protocol that does not require handshaking or error-checking mechanisms, resulting in lower overhead and faster transmission of data. This makes UDP more efficient for real-time applications such as video streaming, as detailed in Axis Communications' technical guides on network protocols.

An explosion-protected camera is specifically designed to contain any internal explosion within its housing. This type of camera is built to operate in hazardous environments where flammable gases or dust may be present. The robust housing prevents the internal explosion from igniting the surrou

nding atmosphere, thereby ensuring safety. Axis Communications offers explosion-protected cameras that adhere to stringent safety standards to prevent ignition and ensure reliable operation in dangerous conditions, as detailed in their product specifications.

The AXIS Q6315-LE is a PTZ (Pan-Tilt-Zoom) camera. This type of camera is capable of panning, tilting, and zooming to provide flexible and comprehensive surveillance coverage. PTZ cameras are often used in applications requiring dynamic monitoring of large areas, allowing operators to zoom in on specific details or track moving objects. Axis Communications' product catalog confirms the AXIS Q6315-LE as a PTZ camera.

"A key advantage of server-based storage is that the servers can be installed in secure, access-controlled locations, improving the physical security of recorded video data."

— Axis Video Surveillance Storage White Paper

"Server-based storage allows for secure placement and centralized management."

— Axis Communications Academy, Network Video Fundamentals, 2022

Axis Official Documentation Extract:

"Axis products support the most widely used video compression formats, including Motion JPEG (MJPEG), H.264, and H.265 (HEVC). These formats allow Axis cameras to provide flexible, high-quality, and efficient video streams suitable for a variety of surveillance needs."

— Source: Axis Communications, Video Compression Technologies

Axis Study Guide Reference:

"The primary compression standards supported by Axis network video products are MJPEG, H.264, and H.265. These standards are designed for efficient transmission and storage while maintaining optimal image quality."

— Axis Communications Academy, Network Video Fundamentals, 2022

Explanation of Options:

A. H.264: Supported. H.264 is a widely used video compression standard in Axis products.

B. MJPEG: Supported. MJPEG (Motion JPEG) is supported for scenarios requiring individual frames.

F. H.265: Supported. H.265, also known as HEVC, is supported for more efficient compression.

C. DivX: Not supported. DivX is not used in professional surveillance.

D. SIP: Not a video compression format; it’s a communication protocol.

E. RTSP: Not a compression algorithm; it's a streaming protocol.

According to the inverse square law of light, the intensity of light is inversely proportional to the square of the distance from the source. If the light level is 100 lux at 70 meters, at half the distance (35 meters), the light level would increase by a factor of four (since (70/35)^2 = 2^2 = 4). Therefore, the light level at 35 meters would be 400 lux. This principle is widely recognized in lighting and photometric calculations and is supported by Axis documentation related to camera exposure and lighting conditions.